Chapter 1: First time.
Following Twilight to her library Rainbow followed.
As soon as she entered her library Rainbow followed after and quickly crawled on her knees to Twilight and began sucking her cock.
Twilight was too embarrassed to speak and just watched raindbow in awe.
Her heart raced as Rainbow's tongue swirled around her cock making her shiver.
Her thoughts were consumed with the feeling of Rainbow's warm lips wrapped around her member, slurping and sucking. Her body tingled with excitement, the sensation was unlike anything she had ever felt before.
As she lay there, lost in the pleasure of Rainbow's attentions, she couldn't help but wonder how this had happened. How had she let herself get into such a situation? How could she be enjoying it so much? And most importantly, how long could she keep this a secret from her friends.
Her special talent of cum production soon manifested as she came hard and started spurting down Rainbow's throat.
Twilight's cooled-down cock was now nestled in her lap, dangling weakly, as if uninterested in being the center of attention. Rainbow couldn't resist her curiosity and inspected Twilight's groin closely, marveling at the pearly drops of semen dripping from her twitching cock.
Feeling empowered by her new experience, Rainbow decided to take control of the situation and began exploring Twilight's body with a bit more assertiveness.